linux-kernel - [intel-tdx:guest-hardening-rebased 16/39] arch/x86/coco/tdx/tdx-tests.c:66:12: warning: no previous prototype for function 'kvm_unit_test_debug

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Message-ID: <202209131158.hc5Q4EtT-lkp@intel.com>
Date:   Tue, 13 Sep 2022 11:42:10 +0800
From:   kernel test robot <lkp@...el.com>
To:     Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: [intel-tdx:guest-hardening-rebased 16/39]
 arch/x86/coco/tdx/tdx-tests.c:66:12: warning: no previous prototype for
 function 'kvm_unit_test_debug_init'

Hi Alexander,

FYI, the error/warning still remains.

tree:   https://github.com/intel/tdx.git guest-hardening-rebased
head:   1f71e25a309e1f46dadb7c65e4383c3690dcd3be
commit: 5091d7c6068bf030df54dc48b303a1d25a7ef0a0 [16/39] x86/tdx-tests: Add a port of a kvm unit test
config: x86_64-randconfig-r025-20220912 (https://download.01.org/0day-ci/archive/20220913/202209131158.hc5Q4EtT-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel/tdx/commit/5091d7c6068bf030df54dc48b303a1d25a7ef0a0
        git remote add intel-tdx https://github.com/intel/tdx.git
        git fetch --no-tags intel-tdx guest-hardening-rebased
        git checkout 5091d7c6068bf030df54dc48b303a1d25a7ef0a0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/coco/tdx/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> arch/x86/coco/tdx/tdx-tests.c:66:12: warning: no previous prototype for function 'kvm_unit_test_debug_init' [-Wmissing-prototypes]
   int __init kvm_unit_test_debug_init(void)
              ^
   arch/x86/coco/tdx/tdx-tests.c:66:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   int __init kvm_unit_test_debug_init(void)
   ^
   static 
   1 warning generated.


vim +/kvm_unit_test_debug_init +66 arch/x86/coco/tdx/tdx-tests.c

    65	
  > 66	int __init kvm_unit_test_debug_init(void)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp